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Bobcat T870 Specifications
The
Bobcat T870 compact track loader driveline system components: Bobcat D34 diesel
engine with a rated power of 100 hp (74.6 kW) or Kubota V3800 diesel engine with
a rated power of 99.5 hp (74 kW), and two-speed hydro transmission. The
hydraulic system has a pump with a rated flow of 23 gpm (87.1 lpm). The system
pressure is 3550 psi (245 bar). The Bobcat T870 is equipped with a vertical-lift
loader boom, 5-link torsion suspension with 5 rollers, and rubber tracks. The
loader has a maximum lift height of 144" (3655 mm) to hinge pin and dump height
of 112.3" (2855 mm). The rated operating capacity is 3650 lbs (1656 kg), and
tipping load is 10430 lbs (4730 kg).
| Bobcat Doosan Engine Specs |
Engine Model ...................... Bobcat Doosan D34
Engine Type ...................... Vertical in-line four-cylinder direct injection liquid-cooled diesel
Number of Cylinders ...................... 4
Displacement, cu.in (L) ...................... 208.1 (3.41)
Cylinder Bore, in (mm) ...................... 3.86 (98.0)
Piston Stroke, in (mm) ...................... 4.45 (113.0)
Aspiration ...................... Turbocharged
Rated Engine Power, hp (kW) ...................... 100.0 (74.6)
Rated Engine Speed, rpm ...................... 2400
Low Idle Speed, rpm ...................... 1050
High Idle Speed, rpm ...................... 2500
Maximum Torque, Nm (lb-ft) ...................... 375 (277)
Torque Speed, rpm ...................... 1600
Compression Ratio ...................... 17:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... High-pressure common rail
Fuel Filter Type ...................... Full flow, cartridge
Lubricating System ...................... Pressure lubrication by gear pump
Oil Filter Type ...................... Full flow, cartridge
Engine Control ...................... Full electronic engine management
Fuel Tank Capacity, gal (L) ...................... 32.6 (123.4)
Oil Capacity, qts (L) ...................... 13.3 (12.6)
Coolant Capacity, qts (L) ...................... 15.3 (14.4)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 120
| Kubota Engine Specs |
Engine Model ...................... Kubota V3800-DI-T-E3
Engine Type ...................... Vertical 4-cylinder liquid-cooled diesel
Number of Cylinders ...................... Four
Displacement, cu.in (L) ...................... 230 (3.77)
Cylinder Bore, in (mm) ...................... 3.94 (100.0)
Piston Stroke, in (mm) ...................... 4.72 (120.0)
Aspiration ...................... Turbocharged
Rated Engine Power, hp (kW) ...................... 99.5 (74.0)
Rated Engine Speed, rpm ...................... 2400
Maximum Torque, Nm (lb-ft) ...................... 310.3 (228.8)
Torque Speed, rpm ...................... 1600
Idle Speed, rpm ...................... 1250-2650
Compression Ratio ...................... 19:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... Direct injection
Lubricating System ...................... Pressure lubrication by gear pump
Fuel Tank Capacity, gal (L) ...................... 35.6 (134.8)
Oil Capacity, qts (L) ...................... 12.0 (11.4)
Coolant Capacity, qts (L) ...................... 19.6 (18.5)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 90
| Drive Train |
Drive System Type ...................... Fully hydrostatic, rubber track drive
Transmission ...................... Tandem piston pumps and reversing motors
Number of Gears ...................... Two (low/high)
Brakes Type ...................... Independent wet disc
Drive Motor Oil Capacity, qts (L) ...................... 0.55 (0.52)
Forward Speed (Low Range), mph (km/h) ...................... 6.5 (10.5)
Forward Speed (High Range), mph (km/h) ...................... 11.4 (18.3)
Reverse Speed (Low Range), mph (km/h) ...................... 6.5 (10.5)
Reverse Speed (High Range), mph (km/h) ...................... 11.4 (18.3)
| Undercarriage |
Undercarriage Type ...................... 5-Link torsion suspension
Tracks Type ...................... Rubber tracks, C-Pattern
Tracks Tension ...................... Automatic, grease cylinder and spring
Track Width, in (mm) ...................... 17.7 (450)
Ground Pressure, psi (Bar) ...................... 4.8 (0.331)
| Hydraulic System |
Hydraulic System Type ...................... Open center
Hydraulic Pump Type ...................... Gear
Pump Capacity (Standard), gpm (Lpm) ...................... 23.0 (87.1)
Pump Capacity (High Flow), gpm (Lpm) ...................... 36.6 (138.2)
System Pressure, psi (Bar) ...................... 3550 (245)
Number of Valves ...................... 3
Hydraulic Cylinders ...................... Double-acting
Lift Cylinder Rod Diameter, in (mm) ...................... 2 (50.8)
Lift Cylinder Piston Diameter, in (mm) ...................... 3.5 (89)
Lift Cylinder Piston Stroke, in (mm) ...................... 27.5 (699)
Bucket Cylinder Rod Diameter, in (mm) ...................... 1.5 (38)
Bucket Cylinder Piston Diameter, in (mm) ...................... 3.25 (82.6)
Bucket Cylinder Piston Stroke, in (mm) ...................... 15.3 (388)
Hydraulic Reservoir Capacity, gal (L) ...................... 2.5 (9.5)
Hydraulic System Capacity, gal (L) ...................... 12.0 (45.4)
| Loader Performance |
Rated Operating Capacity, lbs (kg) ...................... 3650 (1656)
Tipping Load, lbs (kg) ...................... 10430 (4730)
Boom Lifting, lbs (kg) ...................... 7780 (3520)
Bucket Breakout Force, lbs (kg) ...................... 8733 (3960)
Loader Boom Type ...................... Vertical-lift
| Dimensions and Weight |
Length (w/o Bucket), in (mm) ...................... 119.3 (3030)
Length (Bucket On Ground), in (mm) ...................... 153.9 (3910)
Length (Ground Contact), in (mm) ...................... 68.9 (1750)
Width (w/o Bucket), in (mm) ...................... 83 (2110)
Operating Height, in (mm) ...................... 184.6 (4690)
Height (Operator Cab), in (mm) ...................... 83.4 (2120)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 144 (3655)
Dump Angle At Max Height, deg ...................... 42
Dump Height (Fully Raised), in (mm) ...................... 112.3 (2855)
Dump Reach At Max Height, in (mm) ...................... 36.5 (925)
Rollback Angle At Ground Level, deg ...................... 31
Rollback Angle At Max Height, deg ...................... 98
Departure Angle, deg ...................... 33
Bucket Width, in (mm) ...................... 84 (2130)
Ground Clearance, in (mm) ...................... 8.6 (218)
Turning Radius (w/Bucket), in (mm) ...................... 99 (2515)
Shipping Weight, lbs (kg) ...................... 11740 (5325)
Operating Weight, lbs (kg) ...................... 12680 (5750)
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| COMPACT TRACK LOADERS SPECIFICATIONS |